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Set during World War II, scientist Dr. John Russell is sent to Berlin on an undercover mission to investigate the Nazi's interest in an experimental uranium bomb project. He is no trained spy however, so he is accompanied by British MI6 agent Peter Graham, and later Anne Taylor. Next to the main storyline, Russell will also need to find out if his companions are pursuing their own agenda.

This 3D adventure with pre-rendered backgrounds is entirely mouse-driven with a point-and-click interface. The left mouse button moves Russell around and is used to examine objects. The right mouse button is used to pick up or use items. Pressing the latter twice makes the character run. Puzzles consist of researching articles, item combinations, but also mechanical systems and broader puzzles, such as piecing a torn letter together. The game includes a beginner's mode, where pressing a key highlights all important objects in the area.

Optionally, the player can choose to play the entire game with a sepia filter, rendering the images a more authentic and historical feel.


Undercover: Operation Wintersun Windows But first you have to find the right key to the right locker.
Undercover: Operation Wintersun Windows In the "Heereswaffenamt" you hope to find some information about the uranium bomb.
Undercover: Operation Wintersun Windows Reassemble the torn letter.
Undercover: Operation Wintersun Windows In this facility in Haigerloch you hope to find further clues.

Promo Images

Undercover: Operation Wintersun Magazine Advertisement Part 2
Undercover: Operation Wintersun Magazine Advertisement Part 1

Alternate Titles

  • "Совершенно секретно: Операция Wintersonne" -- Russian spelling
  • "Undercover: Operation Wintersonne" -- German title
  • "Undercover: Operación Wintersun" -- Spanish title
  • "Undercover: Operace Zimní slunovrat" -- Czech title
  • "Berlin 1943: Les secrets de l'opération Wintersun " -- French title

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User Reviews

There are no reviews for this game.

Critic Reviews

GamesFire Oct 09, 2006 83 out of 100 83
PC Action (Germany) Oct 30, 2006 76 out of 100 76
Adventure Europe Feb 15, 2007 71 out of 100 71
Worth Playing Nov 09, 2007 6.8 out of 10 68
IGN Sep 28, 2007 6.5 out of 10 65
Adventure Classic Gaming Feb 22, 2008 3 Stars3 Stars3 Stars3 Stars3 Stars 60
Quandary Dec, 2007 3 Stars3 Stars3 Stars3 Stars3 Stars 60
Absolute Games ( Oct 25, 2007 56 out of 100 56
GameBoomers Oct, 2007 C 50
CanardPC Feb 15, 2007 5 out of 10 50


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Sciere (771691) added Undercover: Operation Wintersun (Windows) on Dec 31, 2006
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